Abstract：
:The paper analyzes theoretical models of the adaptive modes of generation and stability of human heart as a nonlinear point source. The analysis encompasses only ECG time-domain dynamics. To solve the general problem of the study of the adaptive changes of the cardiosignal under the action of external periodic force and parametric noise, a new dynamic model is proposed, which incorporates two control physical parameters: power of signal generation and coefficient of diffuse signal scattering. For the entire set of parameters, the examined modeled nonlinear system demonstrated a number of various performance modes ranging from steady-state periodic and quasi-periodic states to chaos. The model showed that variations in cosmic, geophysical, and weather conditions in the frequency range of 0.1-0.9 Hz produce the greatest biotropic influence.
journal_name
Bull Exp Biol Medjournal_title
Bulletin of experimental biology and medicineauthors
Pipin VV,Ragulskaya MV,Chibisov SMdoi
10.1007/s10517-010-0977-1subject
Has Abstractpub_date
2010-10-01 00:00:00pages
490-6issue
4eissn
0007-4888issn
1573-8221journal_volume
149pub_type
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